Description

Barium 3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2,7-Disulphonate is a high-purity, organometallic azo dye complex valued for its excellent color strength and stability. This compound is essential for applications requiring a durable and vivid pigment with specific chemical resistance. It is primarily sought by manufacturers in the pigments, coatings, plastics, and specialty inks industries for high-performance formulations.

Application

• Pigment for Industrial Coatings: Used in automotive, marine, and protective coatings for its color fastness and chemical resistance.
• Coloration of Plastics and Polymers: Imparts stable color to engineering plastics, masterbatches, and synthetic fibers during high-temperature processing.
• Specialty Printing Inks: A key component in high-quality inks for packaging, security printing, and decorative applications.
• Coloring Agent for Synthetic Materials: Employed in the production of colored resins, rubber, and other synthetic compounds.
• Research & Development: Serves as a reference standard or intermediate in the development of new dyes and functional materials.

Basic Information

Product Name	Barium 3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2,7-Disulphonate
CAS No.	83399-82-0
Molecular Formula	C₁₆H₈BaCl₃N₂O₈S₂
Molecular Weight	666.19 g/mol
Synonyms	Barium 3-Hydroxy-4-[(2,4,5-Trichlorophenyl)azo]naphthalene-2,7-disulfonate; C.I. Pigment Red 247; Barium Salt of 3-Hydroxy-4-[(2,4,5-trichlorophenyl)azo]-2,7-naphthalenedisulfonic Acid; 3-Hydroxy-4-[(2,4,5-trichlorophenyl)azo]-2,7-naphthalenedisulfonic Acid Barium Salt; Pigment Red 247; Barium Lake of Azo Dye; 2,7-Naphthalenedisulfonic Acid, 3-hydroxy-4-[(2,4,5-trichlorophenyl)azo]-, barium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of Barium 3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color value, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Practically insoluble in water; soluble in concentrated sulfuric acid

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.